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China Pharmacy ; (12): 3870-3871,3872, 2016.
Artículo en Chino | WPRIM | ID: wpr-605568

RESUMEN

OBJECTIVE:To establish a method for the simultaneous determination of paeoniflorin and paeonol in Dirda pill, and provide reference for improving its quality control standard. METHODS:HPLC was performed on the column of ZORBAX C18 with mobile phase of acetonitrile-0.1% phosphoric acid (gradient elutio) at a flow rate of 0.8 ml/min,detection wavelength was 230 nm(paeoniflorin),274 nm(paeonol),columne temperature was 35 ℃,injection volume was 20 μl. RESULTS:The linear range was 0.514 8-1.544 5μg for paeoniflorin(r=0.999 2)and 0.643 2-1.960 4μg for paeonol(r=0.999 8);the limits of quantifi-cation were 0.135 6,0.126 4 μg,limits of detection were 0.067 8,0.063 2 μg;RSDs of precision,stability and reproducibility tests were lower than 2%;recoveries were 95.78%-97.27%(RSD=0.62%,n=6) and 97.38%-98.38%(RSD=0.42%,n=6). CONCLUSIONS:The method is simple with good reprosucibility and high sensibility,and can be used for the simultaneous deter-mination of paeoniflorin and paeonol in Dirda pill.

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